Author: Robert Zimmerman

July 10, 2025 Quick space links

8:46 pm

Courtesy of BtB’s stringer Jay. This post is also an open thread. I welcome my readers to post any comments or additional links relating to any space issues, even if unrelated to the links below.

  • On this day in 1962 AT&T launched the first private satellite, Telstar-1
    It demonstrated relatively inexpensive broadcast and communication between Europe and North America. AT&T’s plan then was to launch a full constellation to provide phone and broadcast service worldwide, replacing the expensive and very limited undersea cables. The plan ended up getting blocked by Congress and President Kennedy, who instead created a monopoly run by the pseudo-company Comsat, partly owned by the government. While Comsat launched a number of geosynchronous satellites, it never came close to the success promised.

    Had the government stayed out, we would have had large satellite constellations in the early 1960s and a robust private launch industry. Instead, it all died on the vine, and it would be more than a half century before the American commercial space industry recovered.

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Another scientist blacklisted by the Biden CDC ends up in charge

2:56 pm

Martin Kulldorff, no longer blacklisted
Martin Kulldorff, no longer blacklisted

Fight! Fight! Fight! When Trump appointed Jay Bhattacharya, the director of Stanford University’s Center for Demography and Economics of Health and Aging, to head the National Institutes of Health (NIH) a few weeks after his election victory in November, I immediately noted that this choice “underlined quite forcefully the certainty that the outsider nature of all of Trump’s picks to head all the health-related agencies in the federal government will led to major changes in how those agencies operate.”

Bhattacharya had been blacklisted for his very vocal opposition to the government’s lockdown and mandate policies during the COVID epidemic. He along with Martin Kulldorff, one of the world’s foremost experts on vaccines and who was also blacklisted during the epidemic, co-authored the Great Barrington Declaration that strongly criticized the policies imposed by these health agencies, calling instead for a return to the standard response to infectious diseases that had been followed successfully for more than a century.

Putting Bhattacharya in charge of NIH is incredibly ironic. When he along with Kulldorff had come out opposed to the lockdown and jab mandates advocated by Francis Collins, then-head of the NIH, Collins in league with Anthony Fauci, then head of National Institute of Allergy and Infectious Diseases (NIAID), put together a back-room campaign to have Bhattacharya, Kulldorff, and many others blacklisted across social media. This campaign also had Kulldorff removed as a member of the CDC’s vaccine safety advisory committee.

My prediction that the outside nature of Trump’s appointments was going to signal major changes continues to hold true, and was further underlined with the announcement on June 29, 2025 that Kulldorff has now been re-appointed to the CDC’s vaccine advisory board as part of the major house-cleaning that Health Secretary Robert Kennedy Jr. announced in early June, when he removed all seventeen members of the board. As noted in the previous link:
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SpaceX gets approval to build oxygen plant at Boca Chica

1:03 pm

SpaceX today received the okay from Cameron County to build a plant at Boca Chica to produce oxygen from the atmosphere for use in its Superheavy/Starship rocket.

The commissioners voted, 3-1, to give Elon Musk’s rocket company a beachfront construction certificate and dune protection permit, allowing the company to build a modern-day factory akin to an oil refinery to produce gases needed for space flight launches.

The plant will consist of 20 structures on 1.66 acres. The enclosed site will include a tower that will reach 159 feet, or about 15 stories high, much shorter than the nearby launch tower, which stretches 480 feet high. It is set to be built about 280 feet inland from the line of vegetation, which is where the dunes begin. The factory will separate air into nitrogen and oxygen. SpaceX utilizes liquid oxygen as a propellant and liquid nitrogen for testing and operations.

By having the facility on site, SpaceX hopes to make the delivery of those gases more efficient by eliminating the need to have dozens of trucks deliver them from Brownsville. The company says they need more than 200 trucks of liquid nitrogen and oxygen delivered for each launch, a SpaceX engineer told the county during a meeting last week.

As usual, the same cranks who always complain about this stuff are given space by this news outlet to whine, but the truth is that the commission’s vote well reflects the attitude of the local community. It supports what SpaceX is doing, because of the prosperity the company is bringing to this formerly depressed region.

Moreover, this facility will not only save SpaceX money and make it easier to launch more frequently, it is likely environmentally beneficial. I suspect the facility will be relatively clean compared to the truck convoys it will replace.

Hat tip Robert Pratt of Pratt on Texas.

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Why did Trump suddenly pick Transportation Secretary Sean Duffy to become temporary head of NASA?

9:32 am

The reason for Trump’s sudden decision yesterday to name Transportation Secretary Sean Duffy as interim NASA administrator, replacing long-time NASA manager Janet Piro — who had held the job since Trump took office — remains unclear.

This article suggests the president wanted someone with more political clout who was also part of his inner circle.

Two articles (here and here) imply the decision was related to the recent clashes politically between Trump and Musk, adding that Duffy and Musk have been reported to be in conflict over air traffic controller issues. Picking Duffy thus directly reduces Musk’s influence at NASA.

The truth is that we really don’t know exactly what motives brought Trump to make this appointment. It could be that Trump wants someone in charge who will have the political clout to push through his proposed NASA cuts. It also could be Trump wants someone with that clout to review those cuts and change them.

The bottom line is that NASA remains a political football, a situation that in the end had done decades of harm to the American space industry. The sooner it can be made irrelevant and replaced by a commercial, competitive, and (most important) profitable space industry, the better.

We really don’t need a “space agency.” We didn’t have such a thing when we settled the American west.

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SpaceX finally passes final regulatory hurdle to sell Starlink in India

9:11 am

You might get deja-vu from this story, since I have reported repeatedly in the past that SpaceX has finally gotten regulatory approval to sell Starlink in India.

However, India’s complex regulatory framework — leftover from the days of British rule and strengthened for decades after independence when the strongly socialist Congress Party ruled — ended up requiring SpaceX to leap multiple regulatory hurdles to get the Starlink approved. According to news reports today, that last licensing hurdle has now finally been leaped.

The final approval marks a crucial milestone that will pave the way for the Musk-led company to launch its commercial satellite operations in the country. The Elon Musk-led company has been waiting for regulatory approvals since 2022 to operate legally in India. With this approval, Starlink has become the third company to enter the satellite space in India after Reliance Jio and Eutelsat’s OneWeb, in which Bharti Airtel, led by Sunil Mittal, is a shareholder.

Does this mean SpaceX can now sell Starlink in India? Of course not:

The next step for Starlink is to secure spectrum from the government, which will likely be assigned in the coming months. It also needs to set up infrastructure on the ground. One of the most critical aspects of Starlink’s India foray will be its compliance with the country’s security rules.

Since Starlink doesn’t need a complex ground infrastructure, selling terminals directly to customers, the infrastructure mentioned in the quote likely involves partnering Starlink operations with the Indian telecommunications companies Airtell and Jio, so that they get a piece of the action.

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New census of inverted channels on Mars strongly suggests the planet once had more water

9:00 am

Martian ridges that imitate rivers
Click for original image.

A new review of inverted channels on Mars now strongly suggests that the red planet was once far wetter than presently seen, with the channels implying the existence of liquid rivers.

The discovery of more than 15,000 kilometres of ancient riverbeds on Mars suggests that the Red Planet may once have been much wetter than previously thought. Researchers looked at fluvial sinuous ridges, also known as inverted channels, across Noachis Terra – a region in Mars’ southern highlands. These are believed to have formed when sediment deposited by rivers hardened and was later exposed as the surrounding material eroded.

Similar ridges have been found across a range of terrains on Mars. Their presence suggests that flowing water was once widespread in this region of Mars, with precipitation being the most likely source of this water.

The image to the right is a good example of an inverted channel, a previous cool image posted in April 2025. It is located not in Noachis Terra but in the northern lowland plains.

The researchers argue that these channels suggest that about 3.7 billion years ago there were flowing liquid rivers on Mars, fed by precipitation. This conclusion however still does not explain how this could happen on a planet that is too cold with too thin an atmosphere for liquid water to exist. Every model so far proposed to make Mars warmer with a thicker atmosphere in the distant past remains questionable with many holes.

Could the inverted channels have been created by glacial activity, ice instead of liquid water? At present we don’t know enough about the Mars environment and the physics of such things in the planet’s one-third gravity to answer that question. It is however a question that scientists I think should be asking, based on the extensive evidence of glacial activity in the Martian mid-latitudes.

The big takeaway from this study however is that it adds weight to the overall trend seen in the data, that over time the total amount of water on the planet has declined. We can see this in glaciers, for example, with later glacial flows always falling short of previous flows. This research shows that even in the dry tropics there was once ample water, even if we don’t yet know what form it took.

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July 9, 2025 Quick space links

9:02 pm

Courtesy of BtB’s stringer Jay. This post is also an open thread. I welcome my readers to post any comments or additional links relating to any space issues, even if unrelated to the links below.

10 comments

Sightseeing near Starship’s candidate Martian landing sites

2:21 pm

An interesting mesa near Starship's Martian landing zone
Click for original image.

Today’s cool image takes us sightseeing in the region on Mars that SpaceX has chosen for its prime landing zone for its Starship spaceship. The picture to the right, cropped, reduced, and sharpened to post here, was taken on May 29, 2025 by the high resolution camera on Mars Reconnaissance Orbiter (MRO), and shows a 465-foot-high unusually shaped mesa in this region.

The full resolution inset at the bottom of the picture focuses at the strange tilted layers on the southern slope of this mesa. Apparently the layers at this spot were pushed sideways so they lie significantly angled to the horizontal. Though it isn’t clear from this picture, it is possible that the mesa itself is made up of similar tilted layers, hidden below the surface. We can see the tilt only on the mesa’s southern flank because erosion has apparently exposed it.

Note also the black stain that surrounds the mesa. Though this might be caused by wind distributing dust, such stains have also been seen at a location where scientists suspect an inactive hot spring might exist, as well as another location where there may have been relatively recent volcanic activity.

Is this stain caused by any of these processes? In situ exploration would probably be necessary to find out. And we may soon actually have spaceships landing here in the relatively near future with the capability to do this.
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The walls of Jericho blocking Trump’s effort to streamline government have now fallen

12:11 pm

Trump defiant after being shot
Trump defiant

Fight! Fight! Fight! The Supreme Court ruling yesterday that allowed Trump’s plan to reorganize and reduce the federal workforce to go forward was far more significant than most realize. It in fact tells us that opposition to Trump’s effort is dissolving, and that he will have the ability in the last three years of his present term in office to complete this effort in a manner that will reshape the federal bureaucracy in ways so radical we will not recognize it when he is done — assuming Trump maintains his present aggressive effort.

First the background. In February Trump issued an executive order requiring agency managements throughout the executive branch to institute plans for reducing staffing signficiantly.

Titled “Implementing The President’s ‘Department of Government Efficiency’ Workforce Optimization Initiative,” the executive order also severely limits federal departments’ ability to bring on more staffers and mandates that agency heads closely coordinate with their DOGE representatives on future hiring plans. Once the hiring freeze that Trump put in place is lifted, agencies will only be allowed to replace one of every four employees who leave and hiring will be restricted to the highest-need areas.

Plus, agencies will not be able to fill vacancies for career positions that DOGE team leaders think should remain open, unless the department head determines they should be filled. DOGE leaders at each agency will file a monthly hiring report to DOGE.

Not surprisingly numerous lawsuits were immediately filed to block this order, claiming that Trump was required to get Congressional approval for such actions.
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